#include<iostream>
# include<conio.h>
using namespace std;

namespace first_space{
	void func()
	{
		cout << "inside first_space" << endl;
	}
}




namespace second_space{
	void func()
	{
		cout << "inside second_space" << endl;
	}
}
using namespace first_space;
int main()
{
	func();
	_getch();
}